Sea Foam 1 Pack (16 Ounce) Extreme Marine & Rv SF-16 Seafoam Liquid 16 Fl Oz The product is sf16 16oz motor tune up Easy and simple use kit 100 percent pure petroleum Pea registered product Liquefies gum and varnish deposits or internal engine contaminants 100 percent pure petroleum EPA registered product Liquefies gum and varnish deposits or internal engine contaminants Special Shipping Information: This item cannot be returned and has additional shipping restrictions Special Shipping Information: This item cannot be returned and has additional shipping restrictions